diff --git a/htdocs/core/class/html.formfile.class.php b/htdocs/core/class/html.formfile.class.php
index eb34a3913ce..9e8a47812fd 100644
--- a/htdocs/core/class/html.formfile.class.php
+++ b/htdocs/core/class/html.formfile.class.php
@@ -194,7 +194,7 @@ class FormFile
      *      @param      boolean             $printer            Printer Icon
      * 		@return		string              					Output string with HTML array of documents (might be empty string)
      */
-    function showdocuments($modulepart,$filename,$filedir,$urlsource,$genallowed,$delallowed=0,$modelselected='',$allowgenifempty=1,$forcenomultilang=0,$iconPDF=0,$maxfilenamelength=28,$noform=0,$param='',$title='',$buttonlabel='',$codelang='',$printer)
+    function showdocuments($modulepart,$filename,$filedir,$urlsource,$genallowed,$delallowed=0,$modelselected='',$allowgenifempty=1,$forcenomultilang=0,$iconPDF=0,$maxfilenamelength=28,$noform=0,$param='',$title='',$buttonlabel='',$codelang='',$printer=false)
     {
         // filedir = conf->...dir_ouput."/".get_exdir(id)
         include_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';